Allowance for Loan Losses (Details 5) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Aging of recorded investment in loans by past due category and class of loans
Total	$ 2,810,660	$ 2,823,969
Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Total	707,676	697,083
Farmland
Aging of recorded investment in loans by past due category and class of loans
Total	134,729	141,246
Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Total	386,833	361,236
Agriculture
Aging of recorded investment in loans by past due category and class of loans
Total	114,300	141,903
All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Total	364,435	340,466
First Liens
Aging of recorded investment in loans by past due category and class of loans
Total	334,609	342,379
Home Equity
Aging of recorded investment in loans by past due category and class of loans
Total	60,615	62,298
Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Total	51,619	50,630
Multifamily
Aging of recorded investment in loans by past due category and class of loans
Total	161,859	179,337
All Other Residential
Aging of recorded investment in loans by past due category and class of loans
Total	28,071	31,418
Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Total	433,794	442,319
All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
Total	32,120	33,654
Financial Asset, 30 to 59 Days Past Due [Member]
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	12,144	15,178
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	1,086	1,132
Financial Asset, 30 to 59 Days Past Due [Member] | Farmland
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	94	57
Financial Asset, 30 to 59 Days Past Due [Member] | Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	48	62
Financial Asset, 30 to 59 Days Past Due [Member] | Agriculture
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	0	90
Financial Asset, 30 to 59 Days Past Due [Member] | All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	162	390
Financial Asset, 30 to 59 Days Past Due [Member] | First Liens
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	3,628	4,686
Financial Asset, 30 to 59 Days Past Due [Member] | Home Equity
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	233	131
Financial Asset, 30 to 59 Days Past Due [Member] | Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	301	179
Financial Asset, 30 to 59 Days Past Due [Member] | Multifamily
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	386	342
Financial Asset, 30 to 59 Days Past Due [Member] | All Other Residential
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	93	284
Financial Asset, 30 to 59 Days Past Due [Member] | Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	5,935	7,633
Financial Asset, 30 to 59 Days Past Due [Member] | All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	178	192
Financial Asset, 60 to 89 Days Past Due [Member]
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	2,133	2,833
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	382	388
Financial Asset, 60 to 89 Days Past Due [Member] | Farmland
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	205	0
Financial Asset, 60 to 89 Days Past Due [Member] | Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Agriculture
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	0	42
Financial Asset, 60 to 89 Days Past Due [Member] | All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | First Liens
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	446	680
Financial Asset, 60 to 89 Days Past Due [Member] | Home Equity
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	57	24
Financial Asset, 60 to 89 Days Past Due [Member] | Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	110	120
Financial Asset, 60 to 89 Days Past Due [Member] | Multifamily
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	0	146
Financial Asset, 60 to 89 Days Past Due [Member] | All Other Residential
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	0	291
Financial Asset, 60 to 89 Days Past Due [Member] | Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	883	1,105
Financial Asset, 60 to 89 Days Past Due [Member] | All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	50	37
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	1,964	3,479
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	227	1,614
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Farmland
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Agriculture
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	49	89
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | First Liens
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	747	949
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Home Equity
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	38	58
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	200	283
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Multifamily
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | All Other Residential
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	686	486
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	17	0
Financial Asset, Past Due
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	16,241	21,490
Financial Asset, Past Due | Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	1,695	3,134
Financial Asset, Past Due | Farmland
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	299	57
Financial Asset, Past Due | Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	48	62
Financial Asset, Past Due | Agriculture
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	49	221
Financial Asset, Past Due | All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	162	390
Financial Asset, Past Due | First Liens
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	4,821	6,315
Financial Asset, Past Due | Home Equity
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	328	213
Financial Asset, Past Due | Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	611	582
Financial Asset, Past Due | Multifamily
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	386	488
Financial Asset, Past Due | All Other Residential
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	93	575
Financial Asset, Past Due | Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	7,504	9,224
Financial Asset, Past Due | All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	245	229
Financial Asset, Not Past Due
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	2,794,419	2,802,479
Financial Asset, Not Past Due | Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	705,981	693,949
Financial Asset, Not Past Due | Farmland
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	134,430	141,189
Financial Asset, Not Past Due | Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	386,785	361,174
Financial Asset, Not Past Due | Agriculture
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	114,251	141,682
Financial Asset, Not Past Due | All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	364,273	340,076
Financial Asset, Not Past Due | First Liens
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	329,788	336,064
Financial Asset, Not Past Due | Home Equity
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	60,287	62,085
Financial Asset, Not Past Due | Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	51,008	50,048
Financial Asset, Not Past Due | Multifamily
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	161,473	178,849
Financial Asset, Not Past Due | All Other Residential
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	27,978	30,843
Financial Asset, Not Past Due | Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	426,290	433,095
Financial Asset, Not Past Due | All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, before Allowance for Credit Loss	$ 31,875	$ 33,425